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KD-SX995
4.17 PCM1716E-X (IC571): D/A converter
• Pin layout
28
1
• Block diagram
BCK
LBCK
DATA
ML/llS
MC/DM1
MD/DM0
CS/WO
MODE
MUTE
RST
• Pin function
Pin
Symbol I/O
No.
1
LRCK
I LRCK clock input
2
DATA
I Serial audio data input
3
BCK
I Bit clock input for serial audio data
4
CLKO
O Buffered output of system clock
5
XTI
I Oscillator input/External clock input
6
XTO
O Oscillator output
7
DGND
- Digital ground
8
VDD
- Digital power +5V
9
VDD2R
- Analog power +5V
10 AGND2R
- Analog ground
11
EXTR
O Rch common pin of analog output amp
12
NC
- Non connection
13
VOUTR
O Rch analog voltage output of audio signal
14
AGND1
- Analog ground
15
Vcc1
- Analog power +5V
1-42 (No.49792)
15
14
Serial
Input
8X Oversampling
I/F
Digital Filter
with
Function Controller
Mode
Control
BPZ-Cont
SCK
I/F
Crystal OSC
XTI
XTO
Function
DAC
Mult-level
Delta-Sigma
Modulator
DAC
Power Supply
CLKO
Vcc1
AGND1
Vcc
DGND
Pin
Symbol I/O
No.
16
VOUTL
O Lch analog voltage output of audio signal
17
NC
- Non connection
18
EXTL
O Lch common pin of analog output amp
19 AGND2L
- Analog ground
20
Vcc2L
- Analog power +5V
21
ZERO
O Zero data flag
22
RST
I Reset
23
CS/IWO
I Chip select/Input format selection
24
MODE
I Mode control select
25
MUTE
I Mute control
26 MD/DM0
I Mode control, Data/De-emphasis selection 1
27 MC/DM1
I Mode control, BCK/De-emphasis selection 2
28
ML/IIS
I Mode control, WDCK/Input format selection
VoutL
Low-pass
Filter
EXTL
Low-pass
VoutR
Filter
EXTR
ZERO
Open drain
Function
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